package com.gk.study.utils;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;

import java.io.InputStream;

public class AliyunOssUtil {
  private static final String END_POINT = "https://oss-cn-beijing.aliyuncs.com";
    // 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
    // EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
    private static final  String ACCESS_KEY_ID="LTAI5tJFgeYJtMihycXqD13t";
    private static final String ACCESS_KEY_SECRET="g3FuxFKKhRLcQ98ST5xwezwl0MuXfr";
    // 填写Bucket名称，例如examplebucket。
    private static final String BUKET_NAME = "bigevent1232";
    public static String upLoad(String objectName, InputStream inputStream) throws Exception {
        // 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
        // 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。
        // 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件。
        /* String filePath= "D:\\localpath\\examplefile.txt";*/
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(END_POINT, ACCESS_KEY_ID,ACCESS_KEY_SECRET);
        String url="";
        try {
            // 创建PutObjectRequest对象。
            PutObjectRequest putObjectRequest = new PutObjectRequest(BUKET_NAME, objectName, inputStream);
            // 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
            // ObjectMetadata metadata = new ObjectMetadata();
            // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
            // metadata.setObjectAcl(CannedAccessControlList.Private);
            // putObjectRequest.setMetadata(metadata);

            // 上传文件。
            PutObjectResult result = ossClient.putObject(putObjectRequest);
            url="https://"+BUKET_NAME+"."+END_POINT.substring(END_POINT.lastIndexOf("/")+1)+"/"+objectName;
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return url;
    }
}

//AliyunOssUtil 类提供了一个静态方法 upLoad，可以将文件上传到阿里云 OSS，并返回该文件的访问 URL。它
